fix macro_method call

address brainstorm API change:
*******************************************************************************
*** WARNING: In function: process_inverse_mem.m at line 24
***          The process API changed, due to modifications in Matlab 2016b.
***          Replace "macro_methodcall;" with "eval(macro_method);"
***          at the beginning of all your Brainstorm functions.
*******************************************************************************​

best_fork/brainentropy/processes/process_inverse_mem.m

@@ -21,7 +21,7 @@
 %
 % Authors: Francois Tadel, 2012-2014
 
-macro_methodcall;
+eval(macro_method);
 end